| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 883 |
46.2%
|
| 2 | 7 years old or younger | 187 |
9.8%
|
| 3 | 8 or 9 years old | 98 |
5.1%
|
| 4 | 10 or 11 years old | 147 |
7.7%
|
| 5 | 12 or 13 years old | 281 |
14.7%
|
| 6 | 14 or 15 years old | 281 |
14.7%
|
| 7 | 16 years old or older | 33 |
1.7%
|
| Sysmiss | 42 |